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METHODS AND SYSTEMS FOR NORMALIZING CONTRAST ACROSS MULTIPLE ACQUISITIONS
专利权人:
General Electric Company
发明人:
Brian Edward Nett,Chuang Miao
申请号:
US14520190
公开号:
US20160110892A1
申请日:
2014.10.21
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Various methods and systems are provided for correcting contrast banding artifacts across multiple acquisitions in reconstructed images. In one embodiment, a method for computed tomography imaging comprises generating an original image comprising multiple subvolumes, segmenting the original image into different structures for each subvolume, selectively applying a mask-based correction through each area of subvolume that includes continuous structures to generate an updated image, and performing streak correction between the original image and the updated image to generate a final image. In this way, image quality may be improved without adjusting anatomical structures in an image.
来源网站:
中国工程科技知识中心
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